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diff --git a/include/asm-mips/txx9/rbtx4927.h b/include/asm-mips/txx9/rbtx4927.h
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+/*
+ * Author: MontaVista Software, Inc.
+ * source@mvista.com
+ *
+ * Copyright 2001-2002 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef __ASM_TXX9_RBTX4927_H
+#define __ASM_TXX9_RBTX4927_H
+
+#include <asm/txx9/tx4927.h>
+
+#define RBTX4927_PCIMEM 0x08000000
+#define RBTX4927_PCIMEM_SIZE 0x08000000
+#define RBTX4927_PCIIO 0x16000000
+#define RBTX4927_PCIIO_SIZE 0x01000000
+
+#define rbtx4927_pcireset_addr ((__u8 __iomem *)0xbc00f006UL)
+
+/* bits for ISTAT/IMASK/IMSTAT */
+#define RBTX4927_INTB_PCID 0
+#define RBTX4927_INTB_PCIC 1
+#define RBTX4927_INTB_PCIB 2
+#define RBTX4927_INTB_PCIA 3
+#define RBTX4927_INTF_PCID (1 << RBTX4927_INTB_PCID)
+#define RBTX4927_INTF_PCIC (1 << RBTX4927_INTB_PCIC)
+#define RBTX4927_INTF_PCIB (1 << RBTX4927_INTB_PCIB)
+#define RBTX4927_INTF_PCIA (1 << RBTX4927_INTB_PCIA)
+
+#define RBTX4927_NR_IRQ_IOC 8 /* IOC */
+
+#define RBTX4927_IRQ_IOC (TXX9_IRQ_BASE + TX4927_NUM_IR)
+#define RBTX4927_IRQ_IOC_PCID (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCID)
+#define RBTX4927_IRQ_IOC_PCIC (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCIC)
+#define RBTX4927_IRQ_IOC_PCIB (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCIB)
+#define RBTX4927_IRQ_IOC_PCIA (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCIA)
+
+#define RBTX4927_IRQ_IOCINT (TXX9_IRQ_BASE + TX4927_IR_INT(1))
+
+#ifdef CONFIG_PCI
+#define RBTX4927_ISA_IO_OFFSET RBTX4927_PCIIO
+#else
+#define RBTX4927_ISA_IO_OFFSET 0
+#endif
+
+#define RBTX4927_SW_RESET_DO (void __iomem *)0xbc00f000UL
+#define RBTX4927_SW_RESET_DO_SET 0x01
+
+#define RBTX4927_SW_RESET_ENABLE (void __iomem *)0xbc00f002UL
+#define RBTX4927_SW_RESET_ENABLE_SET 0x01
+
+#define RBTX4927_RTL_8019_BASE (0x1c020280 - RBTX4927_ISA_IO_OFFSET)
+#define RBTX4927_RTL_8019_IRQ (TXX9_IRQ_BASE + TX4927_IR_INT(3))
+
+void rbtx4927_prom_init(void);
+void rbtx4927_irq_setup(void);
+struct pci_dev;
+int rbtx4927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
+
+#endif /* __ASM_TXX9_RBTX4927_H */
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